#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int c[10];
int main() {
	int n;
	cin >> n;
	for (int i = 1; i <= 9; i++) {
		cin >> c[i];
	}
	for (int i = 9; i > 0; i--) {
		for (int j = 0; j < c[i]; j++) {
			cout << i;
		}
	}
	cout << endl;
}